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Is fish development internal or external?
Fish development can be both internal and external depending on the species. Some fish, like most bony fish, have external fertilization where eggs are fertilized outside the female's body. Others, like some species of sharks, exhibit internal fertilization where fertilization occurs inside the female's body.
How do mammals care for their young and other species don't?
By nursing their young ones by milk and by internal development .
What does it mean if a species becomes an endangered species?
If a population of animals becomes so tiny it has trouble sustaining its numbers, then it becomes endangered.
When a species permanently disappears the species is said to be what?
It becomes extinct.
What term describe development of new species and mass extinction?
Macroevolution The development of a new species is called speciation.
When no living member in your species exist the species?
when there are no living members of a species the species is said to be "extinct".
How many species have internal skeletons?
Internal skeletons are characteristic of vertebrates, which include animals such as mammals, birds, reptiles, amphibians, and fish. There are about 68,000 known species of vertebrates. Additionally, some invertebrates, like certain species of echinoderms (e.g., sea stars and sea urchins), also possess internal skeletons made of calcareous materials. Overall, the total number of species with internal skeletons is in the range of tens of thousands, primarily dominated by vertebrate species.
What is a species that predominate early in the development of a community is called?
pioneer species
Is the development of a new species.?
Speciation
What is it called when a species becomes dependent on another?
Interdependent.
How do new species form by Cindy crigg answer key?
New species can form through a process called speciation, where a population becomes reproductively isolated from the rest of its species. This isolation can occur due to various factors such as geographical barriers or changes in mating behaviors. Over time, genetic differences accumulate between the isolated population and the original species, eventually leading to the development of a new species.
Which mammalian species has the largest internal jugular vein?
The Pig
